when did leonardo da vinci created the machine gun

Source: Leonardo Da samsung offerte tv Vinci, while there are dozens of Da Vincis inventions that never saw the light of day in the 15th century, it is his robotic knight that would have been truly terrifying.
The monument remained unfinished for several years, which was not unusual for Leonardo.
The Baptism of Christ and, the Annunciation to weigh in on which specific figures da Vinci was responsible for.
But like so many who engage in morally-compromising activity, Da Vinci did so only because he was desperate to support his own household.Source: Leonardo Da Vinci Secrets, yet another of his dastardly warfare designs, Da Vinci was the first person to design an armored tank.All of his drawings during this time reflected da Vinci's interest in how things are put together and how they work.Da Vinci (disambiguation) and, leonardo da Vinci (disambiguation).

It was, however, destined to be unfinished.
In October 1515, King Francis I of France recaptured Milan.
Art through the Ages.94 Leonardo, instead of using the reliable technique of fresco, had used tempera over a ground that was mainly gesso, resulting in a surface subject to mould and to flaking.According to Da Vincis drawings, some of which have never been recovered, the robot could sit, move its head and even lift its visor on its own.86 Georges Goyau, François I, Transcribed by Gerald Rossi.The Science of Leonardo.In the 1490s he studied mathematics under Luca Pacioli and prepared a series of drawings of regular solids in a skeletal form to be engraved as plates for Pacioli's book Divina proportione, published in 1509.10607 Gaetano Milanesi, Epistolario Buonarroti, Florence (1875 as cited by della Chiesa.The daring display of figure composition, the landscape elements and personal drama also appear in the great unfinished masterpiece, the Adoration of the Magi, a commission from the Monks of San Donato a Scopeto.

Piero's legitimate heirs were born from his third wife Margherita di Guglielmo (who gave birth to six children: 19 Antonio, Giulian, Maddalena, Lorenzo, Violante and Domenico) and his fourth and final wife, Lucrezia Cortigiani (who bore him another six children: 20 Margherita, Benedetto, Pandolfo, Guglielmo.
108 Leonardo's dissections and documentation of muscles, nerves, and vessels helped to describe the physiology and mechanics of movement.